1 /* Test unsupported/bad clocks passed to pthread_mutex_clocklock.
2 
3    Copyright (C) 2019-2022 Free Software Foundation, Inc.
4    This file is part of the GNU C Library.
5 
6    The GNU C Library is free software; you can redistribute it and/or
7    modify it under the terms of the GNU Lesser General Public
8    License as published by the Free Software Foundation; either
9    version 2.1 of the License, or (at your option) any later version.
10 
11    The GNU C Library is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14    Lesser General Public License for more details.
15 
16    You should have received a copy of the GNU Lesser General Public
17    License along with the GNU C Library; if not, see
18    <https://www.gnu.org/licenses/>.  */
19 
20 #include <errno.h>
21 #include <pthread.h>
22 #include <stdio.h>
23 #include <time.h>
24 #include <unistd.h>
25 #include <support/check.h>
26 
27 static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
28 
test_bad_clockid(clockid_t clockid)29 static void test_bad_clockid (clockid_t clockid)
30 {
31   const struct timespec ts = {0,0};
32   TEST_COMPARE (pthread_mutex_clocklock (&mut, clockid, &ts), EINVAL);
33 }
34 
35 #define NOT_A_VALID_CLOCK 123456
36 
37 static int
do_test(void)38 do_test (void)
39 {
40   /* These clocks are meaningless to pthread_mutex_clocklock.  */
41 #if defined(CLOCK_PROCESS_CPUTIME_ID)
42   test_bad_clockid (CLOCK_PROCESS_CPUTIME_ID);
43 #endif
44 #if defined(CLOCK_THREAD_CPUTIME_ID)
45   test_bad_clockid (CLOCK_PROCESS_CPUTIME_ID);
46 #endif
47 
48   /* These clocks might be meaningful, but are currently unsupported by
49      pthread_mutex_clocklock.  */
50 #if defined(CLOCK_REALTIME_COARSE)
51   test_bad_clockid (CLOCK_REALTIME_COARSE);
52 #endif
53 #if defined(CLOCK_MONOTONIC_RAW)
54   test_bad_clockid (CLOCK_MONOTONIC_RAW);
55 #endif
56 #if defined(CLOCK_MONOTONIC_COARSE)
57   test_bad_clockid (CLOCK_MONOTONIC_COARSE);
58 #endif
59 #if defined(CLOCK_BOOTTIME)
60   test_bad_clockid (CLOCK_BOOTTIME);
61 #endif
62 
63   /* This is a completely invalid clock.  */
64   test_bad_clockid (NOT_A_VALID_CLOCK);
65 
66   return 0;
67 }
68 
69 #include <support/test-driver.c>
70